As Chief Physician Executive, Dr. DeAngelis oversees all clinical services, research, medical education, and multi-center collaborations for MSK, including the 500-bed Memorial Hospital, 13 outpatient facilities in New York City, and seven regional care sites across New York and New Jersey.

Dr. DeAngelis is an internationally recognized expert in brain cancer and the neurological complications of cancer treatment, including cognitive impairment and stroke. During her thirty-year tenure at MSK, she served as chair of the Department of Neurology from 1997 to 2018, and co-founded MSK’s Brain Tumor Center, where experts from across MSK work to bring new discoveries from the lab to patients as quickly as possible. Dr. DeAngelis’ own research has focused on primary brain tumors and she has led several clinical trials that investigate new tumor therapies. She also helped develop the current regimen to treat primary central nervous system lymphoma.

She is the author of more than 300 peer-reviewed manuscripts and 130 book chapters and has written or edited eight books. Dr. DeAngelis is an elected member of the National Academy of Medicine. She is a fellow of the American Neurological Association (ANA) and former Vice Chair of the Board. She is also a fellow of the American Academy of Neurology (AAN), which in 2019 awarded her the organization’s highest honor, the Wartenberg Lecture.

Dr. DeAngelis earned her MD from Columbia University and was a resident in neurology at Columbia-Presbyterian Medical Center. She was a fellow in neurology at New York Hospital and in neuro-oncology at Columbia-Presbyterian and MSK.